Which statement about exv-onq 1n75o cukaryotic cells is correct?

  Which are common featuuh78yc,g h0 iw1asjjjz8;khnb 2/ ,k kres of bacterial cells?
I.
Have a single chromosome
II.
Have plasmids
III.
DNA associated with proteins

  What type of cell is shown in the image?; hq*pfg:wlovr7 n3u56 gt m+g

  Which statement(s) about the endosym3txy,5 n zoxx3biotic theory is true?
I.
It provides evidence for the origin of prokaryotes.
II.
It provides evidence for the origin of eukaryotes.
III.
It provides evidence for spontaneous generation.

  What provides evidence that all life on Earth evolved from the same popul;k8ruhe:sju* x kk(3 nation of cell;hn ukk sj3krx e8(:*us?

  These photographs show the same section of a human retina. What :arlw1x8 8isei szjsityo xhx7(() -: is the reason for the difxxi s7y-1rw8t:((jhai sse :o)lxi z8ference between the two diagrams?

  Paramecium produces enzymes that catalyse di1unch 27hdt s*fferent chemical reactions taking place in the cytoplasm. What function of life tsn7 dhch*1u2 is demonstrated in this situation?

  What do the two labelled organelles have in commowy mxuve:opk cqy73d3:8- k6 yn?

  Which organelle has a doubleda7l 2dlef:l-a 0t5-2e kbpl r membrane?

  Which row in the table cdy7s k8ldzblbr5 fk8) ta (8:eorrectly identifies structures which are present (✓) or absent (×) in prokael5(l87brda )t8 y dbzkksf 8:ryotic and eukaryotic cells?

  Which structure found in a eukaryote haqj/ed4p a9yw; bc l:8ys a double membrane?

  
Chlorella contains the molecule chlorophyll which makes it to appear green. What life function is exhibited in this example?

  Which of the following statements are true about the structure ofx lsb15xz/;u6ziz+ i9d vv f/x1c y;xa cells?
I. All cells contain cytoplasm enclosed by the plasma membrane.
II. The microscope was important in understanding the structure of the cell.
III. Prokaryotes do not have genetic material.

  Which of the following is not a functbf 6av fwu(669ha ,mmdion of the Golgi apparatus?

  Which statement(s) about1m/. kj/m 0qqkvoge e 1.;hfw+z)vrcw cell structure is/are not true?

I.
Prokaryotic cells have a compartmentalised structure.

II.
Only eukaryotic cells have a Golgi apparatus.

III.
Only eukaryotic cells have membrane-bound organelles.

  The image below is a micrograph of bloqi /+(ea89.bajd fwi* (ek0eam sz-m cod.


1.Identify the part of the cells labelled A and B.
arrow    points to the plasma membrane
arrow    points to the nucleus
2.Outline why blood is classified as a tissue.

3.State where the stem cells needed to produce red blood cells are located.it is      .

4.Progenitor cells are produced by dividing stem cells. These cells will eventually differentiate even further. Blood cells have a common progenitor cell. Describe the process that happens to these progenitor cells.

  The micrograph below showsh (z3j5j qdy6ffu 6q(j E. coli cells.


1.Identify the structure labelled I in the micrograph.

2.If the magnification of the image is x36,000 and the length of cell II in the image is 54 mm, calculate the actual length of cell II in micrometres (µm).The number=  µm.

3.State one feature, other than the structure labelled I, that can be used to identify the cells in this micrograph as prokaryotic cells.

  Which structure is found in both eukarbs tc7pyw.)qty ) nw4 -glc8*kyotic and prokaryotic cells?

  Mesophyll cells are found in p(f;ta ,jlfxh) mdy1/jlants. Plant cells have unique characteristics that distinguishjaxd 1y j/;,mft ()flh them from any other cell type.

In the micrograph above, one of the cell parts is labelled X. What is the name of this structure?

  The micrograph shows a transverse section-k,.6e * q evm .qwndocec,hy9 through a leaf.



1.1.Identify an adaptation of this leaf for its function.

2.2.Identify the cell organelle that is found in particularly high numbers in the palisade mesophyll cells.
it is   .

This micrograph shows a transverse section through a pancreatic acinar cell. Acinar cells are found in the exocrine tissue of the pancreas.


2.1.Explain how the structure of this cell is related to the function of the synthesis of proteins for release from the cell.

2.2.State why an electron microscope is needed to view the ultrastructure of the acinar cells.

  Which row correctly describes the DNA and chromosomes of bactea7 i ,ay 4/pov /h-mor4y5fpwnrial cells?

  Cyanobacteria are prokaryotes that can perform photosynthesis. Wzh/gw *gr 2s adsa.i z1z1,pm)hich structural feature is common to s zai1gp/mga2zwrsd). z, 1 h*both cyanobacteria and plant cells?

  Which statement provides t5t )cy8u4oq wevidence for the endosymbiotic theory?

  Which part of the cell is labelled with the lu6y*rwelj7 5u:0 j pcyetter P?

  What feature of chloroplasts provides evidence for the endosymbiotic thk6 .kfbp/8v3h34tpsevcvxs 7 eory?

  The micrograph shows an image of a plant cell taken with a light microscope(5eq6 syx ta(asso ;kd.)s oxfj(8ne;.

1.Calculate the magnification of the image, showing your work.
Magnification=   x

2.Label, with the letter N, a nucleus in the image.

3.The image was taken using a light microscope. State how you deduce this from the image.

4.Draw and label a diagram to show how the same type of plant cell shown in the micrograph would appear when examined with an electron microscope.

5.State two differences that would be seen when looking at an electron micrograph of a bacterium cell compared to this plant cell.

6.At first, the student who took this image could not see the cell when focusing the microscope. Suggest what may have caused this problem.

  The electron micrograph below shows a cell of the bacterium Vibrio chx 9ws,o:ir 81jun husq22nrz.z ukt/)olerae. Which of the labelled structures maintains the cell’s shape and protects the cell from lysing during osmosisn)shqn r,wu1iuz2: ok2/r 8.x9 zts uj?

  Which process is most lu ga 8ms cx)w*ggn7-j*h7udh : v.6hfxikely responsible for the origin of mitochondria as a euku.)6chs duhwjgx 8 7ga*fh :-xn7v *gmaryotic cell organelle?

  Which organelle is the site of protein synthesis? xb)8j: ;ig fan- w0twf

The diagram below shcaf xo* d*p92uows a cyanobacterium, Synechococcus elongatus.

1.1.State whether the cell shown in the microphotograph is eukaryotic or prokaryotic. Give a reason for your answer.

1.2.State two features found in both eukaryotic and prokaryotic cell structures.

1.3.Identify the type of microscope which was used to produce the microphotograph above. Give a reason for your answer.

1.4.Describe the function of X.

2.Compare and contrast the structure of the Golgi apparatus and rough endoplasmic reticulum.

  1.1.Identify an organelle visible in the figureoz husg-d0r 2; below whose structure provides evidence for the endosymbiotic theorr u0;o2z-hdg sy.
organelle is   



1.2.Label with the letter S an example of the organelle that you named in part (i).

1.3.Describe three features of the organelle named in part (i) that support the endosymbiotic theory.

2.Compare and contrast the structure of a mitochondrion and typical prokaryote.

  Which statements about unicellular and multicellular organisms are corrse511a) vw kjmect?

Below is a diagram of a motor neuron. Neurons are the longest cells in the82j n /uh0nmav-zdhr/ human vum d r-0znhh/nj/2a8body.



1.Explain the factors that limit cell size in humans.

2.Explain how life functions are performed by Paramecium.

  The following electron micrograph shows part of an exocrine pancreas ce;qifnwl 13fq :ll. Which of the labelled structures is responsible for the production of vq inq wf1;lf3:esicles for exocytosis?

All organisms contain genetic material. The tye mitz3z(m 7tx/h1u29qz *sc wpe, quantity and location of genetic material differ between kingtw*thie/xqs17 m( m2z9cz3 uzdoms and species.

1.State if the cell shown in the image is a prokaryotic or eukaryotic cell. Give a reason for your answer.



2.Distinguish between prokaryotic and eukaryotic DNA.

3.Outline Cairns' technique for measuring the length of prokaryotic DNA.

  Which statements about chloroplasts and mitochondria support the eq 9ju e3np.x7i+ 9+wvv pc3t(z4s hvpindosymbiotic theoin sj.c+347vz9xu pp(h t v+wv epi93qry?

1.Outline the steps in calculating ; )j8ypqnp pgp*f.z phg8u-j 1se+-fnthe magnification of a micrograph.

2.Describe the steps taken to focus on a specimen using the 40x objective lens of a light microscope.

  The diagram below shows a cd .o61*i5e vrdqlcuh ,ell.


1.1.Deduce with a reason, what type of cell this is.

1.2.Calculate the magnification of the cell.The magnification of the cell=   x.

1.3.Outline two functions of life carried out by the cell in the diagram.

2.1.State the type of microscope used to produce the image.

2.2.Explain your choice of microscope for part (i).

  Palisade mesophyll cells produce and release large amounts of 7f di lb v-ov;e1krb-0carbohydrates. Which characteristics would you expect told 1vbrfvi0k7be - o-; observe in such cells?

The diagram below shows a cew lp)uuv-8c;m ll.

1.1.Compare and contrast the structure of a mictochondrion with the structure of the cell shown in the diagram.

1.2.Explain why the cell in the diagram is structurally similar to a mitochondrion.

  Which statement applies to both mitochondria and p8 w1ejt9,qp:tu f-dtrrokaryotes?

  What is the correct magnificatioi;but)bak6j ;n of this image?

  Which characteristic i ,;oczxd :p,fw q0/vpgs not true for both mitochondria and chloroplasts?

  The electron micrograph shows a prokaryotic cell, Cyclotella litoralis. Whdg tl,h, 0qv)63)(t pfici ysjat is the actuaj)t,6tq )d ipyifvg0c,3sh l(l diameter of the cell in this image?

  The electron micrograph shows an animal cele o-h;.ieju4gb0i b/ ol.

  The electron micrograph shows a sarcomere, thewefpyn/ n( y*mq28n+ e smallest functional unit of striated muscle tissue. What is the actual length between the two Z lines? eyqn (ewn2/py + n8f*m

  Which organelle is formed by a vesicle deriv2xcf02zw0bb9n:p gi io)sy s,ed from the cell membrane?

  Which organism contains DNA in exasrrh l1w8*b3actly two different organelles?

1.Outline one way unicellular organisms can carry out each 86bw1l/* izxsc b dfvv) r2,msof nutrition, movement rdxf,m8ws12c)/v sli v z6bb*and excretion.

2.Draw a single mitochondrion, and annotate it to outline the role of four labelled structures.

3.Compare and contrast the structure of E. coli and a palisade mesophyll cell.

  What feature distinguishes fungal hypha544stk q ,yntee and striated muscle from the two cell types shown in tqn kt 5es44,ythe images?